Product Information
MEMANTINE HCL ER 28 MG CAPSULE is a generic product labeled by Amneal Pharmaceuticals LLC, priced at $0.3422 per EA under NDC 65162078503. Its NADAC has been published 442 times since Apr 18, 2018.
FDA first approved this application on Oct 12, 2016. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
28 mg/1
Manufacturer
Amneal Pharmaceuticals LLCNDC
65162078503
Classification
Generic
Dosage Form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
MEMANTINE HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA205825FDA Approved
10/12/2016
TE Code
AB
On Market Since
12/22/2017
Pharmacological Classes
Price Statistics
The NADAC for MEMANTINE HCL ER 28 MG CAPSULE has been published 442 times since Apr 18, 2018, and over the history we have for it it has declined 96.3%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.3422 per EA |
|---|---|
| All-time high | $9.2659 (May 16, 2018) |
| All-time low | $0.3422 (Sep 23, 2026) |
| 52-week high | $0.5387 |
| 52-week low | $0.3422 |
| Median price | $0.8926 |
| Average price | $1.6460 |
| Largest weekly change | -32.6% (Jul 17, 2024) |
| Weeks tracked | 442 |
| Tracking since | Apr 18, 2018 |
Generic Alternatives
The matcher finds 1 manufacturer offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Amneal Pharmaceuticals LLC manufacturer profile
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Drug market
Memantine Hydrochloride market comparison
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Therapeutic class
N-methyl-D-aspartate Receptor Antagonist class view
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of MEMANTINE HCL ER 28 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for MEMANTINE HCL ER 28 MG CAPSULE, manufactured by Amneal Pharmaceuticals LLC, is $0.3422 per EA (NDC 65162078503), effective Sep 30, 2026.
How has the price of MEMANTINE HCL ER 28 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for MEMANTINE HCL ER 28 MG CAPSULE has declined 96.3%. It has been tracked across 442 weekly CMS publications since Apr 18, 2018.
What are the highest and lowest recorded NADAC prices for MEMANTINE HCL ER 28 MG CAPSULE?
Since Apr 18, 2018, the NADAC for MEMANTINE HCL ER 28 MG CAPSULE has ranged from a low of $0.3422 (Sep 23, 2026) to a high of $9.2659 (May 16, 2018), with a median of $0.8926 per EA.
Are there cheaper alternatives to MEMANTINE HCL ER 28 MG CAPSULE?
1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as MEMANTINE HCL ER 28 MG CAPSULE in a comparable dosage form, but none are currently priced below it.
Who manufactures MEMANTINE HCL ER 28 MG CAPSULE?
MEMANTINE HCL ER 28 MG CAPSULE (NDC 65162078503) is labeled by Amneal Pharmaceuticals LLC, and CMS classifies it as a generic product.